scotty
- a tcl interpreter that has extensions to set up TCP and UDP connections, to submit ICMP packets, to query the domain name system (DNS), to check clock screw using the NTP protocol and to query various SUN RPC services (like rstat and mountd).

telnetd.tar.Z
- telnetd patches to 4.3 to move part of telnet into kernel

tkined
- A drawing program that allows you to create maps of your network configuration. But the most important feature of tkined is its tcl-based programming interface that allows you to use tkined as a GUI for a network management system.

xnetup
- Netup / xnetup is a set of tools which monitor the availability of a set of IP connected equipements. Netup does all network activity (with the help of fping) and logging whereas Xnetup is a convenient user interface which uses the output from Netup.

xsysstats
- A system information display tool similar to perfmeter. It displays its information in the form of a strip chart. It can also display information about remote hosts, as perfmeter can do.

xwho
- A client-server-application for providing users and administrators with a view of the logins in a LAN.